<template>
  <div>
    <!-- banner -->
    <div class="home-banner" :style="cover">
      <div class="banner-container">
        <!-- 联系方式 -->
        <h1 class="blog-title animated zoomIn">
          {{ blogInfo.webSite.name }}
        </h1>
        <!-- 一言 -->
        <div class="blog-intro">
          {{ blogInfo.webSite.summary }} <span class="typed-cursor">|</span>
        </div>
        <!-- 联系方式 -->
        <div class="blog-contact">
          <a
            v-if="isShowSocial(2)"
            class="mr-5 iconfont iconqq"
            target="_blank"
            :href="
              'http://wpa.qq.com/msgrd?v=3&uin=' +
                blogInfo.webSite.qqNumber +
                '&site=qq&menu=yes'
            "
          />
          <a
            v-if="isShowSocial(3)"
            target="_blank"
            :href="blogInfo.webSite.github"
            class="mr-5 iconfont icongithub"
          />
          <a
            v-if="isShowSocial(4)"
            target="_blank"
            :href="blogInfo.webSite.gitee"
            class="iconfont icongitee-fill-round"
          />
        </div>
      </div>
      <!-- 向下滚动 -->
      <div class="scroll-down" @click="scrollDown">
        <v-icon color="#fff" class="scroll-down-effects">
          mdi-chevron-down
        </v-icon>
      </div>
    </div>
    <!-- 主页文章 -->
    <v-row class="home-container">
      <v-col md="9" cols="12">
        <v-card>
          <div style="display: flex;margin-top: 20px;padding: 1rem 1rem">
            <v-icon style="color: red">mdi-bell-outline</v-icon>
            <span style="margin-left: 10px">{{ blogInfo.webSite.bulletin }}</span>
          </div>
        </v-card>
        <v-card
          class="animated zoomIn article-card"
          style="border-radius: 12px 8px 8px 12px"
          v-for="(item, index) of articleList"
          :key="item.id"
        >
          <!-- 文章封面图 -->
          <div :class="isRight(index)">
            <router-link :to="'/articles/' + item.id">
              <v-img
                class="on-hover"
                width="100%"
                height="100%"
                :src="item.avatar"
              />
            </router-link>
          </div>
          <!-- 文章信息 -->
          <div class="article-wrapper">
            <div style="line-height:1.4">
              <div>
                <router-link :to="'/articles/' + item.id">
                  {{ item.title }}
                </router-link>
                <span v-if="item.quantity >= 1000 && item.quantity < 10000"
                      style="font-size:12px;border-radius:3px;border: 1px solid  #f70;text-align: center"><font
                  style="color: #f70;">千次阅读</font></span>
                <span v-if="item.quantity >= 10000"
                      style="font-size:12px;border-radius:3px;border: 1px solid  #f70;text-align: center"><font
                  style="color: #f70;">万次阅读</font></span>
              </div>
            </div>
            <div class="article-info">
              <!-- 是否置顶 -->
              <span v-if="item.isStick === 1">
                <span style="color:#ff7242">
                  <i class="iconfont iconzhiding" /> 置顶
                </span>
                <span class="separator">|</span>
              </span>
              <!-- 发表时间 -->
              <v-icon size="14">mdi-calendar-month-outline</v-icon>
              {{ item.createTime | date }}
              <span class="separator">|</span>
              <!-- 文章分类 -->
              <router-link :to="'/categories/' + item.categoryId">
                <v-icon size="14">mdi-inbox-full</v-icon>
                {{ item.categoryName }}
              </router-link>
              <span class="separator">|</span>
              <!-- 文章标签 -->
              <router-link
                style="display:inline-block"
                :to="'/tags/' + tag.id"
                class="mr-1"
                v-for="tag of item.tagDTOList"
                :key="tag.id"
              >
                <v-icon size="14">mdi-tag-multiple</v-icon>
                {{ tag.name }}
              </router-link>
            </div>
            <!-- 文章内容 -->
            <div class="article-content">
              {{ item.content }}
            </div>
          </div>
        </v-card>
        <!-- 无限加载 -->
        <infinite-loading @infinite="infiniteHandler">
          <div slot="no-more" />
        </infinite-loading>
      </v-col>
      <!-- 博主信息 -->
      <v-col md="3" cols="12" class="d-md-block d-none">
        <div class="blog-wrapper">
          <v-card class="animated zoomIn blog-card mt-5">
            <div class="author-wrapper">
              <!-- 博主头像 -->
              <v-avatar size="110">
                <img
                  class="author-avatar"
                  :src="blogInfo.webSite.authorAvatar"
                />
              </v-avatar>
              <div style="font-size: 1.375rem">
                {{ blogInfo.webSite.author }}
              </div>
              <div style="font-size: 0.875rem;">
                {{ blogInfo.webSite.authorInfo }}
              </div>
            </div>
            <!-- 博客信息 -->
            <div class="blog-info-wrapper">
              <div class="blog-info-data">
                <router-link to="/archives">
                  <div style="font-size: 0.875rem">文章</div>
                  <div style="font-size: 1.25rem">
                    {{ blogInfo.count.articleCount }}
                  </div>
                </router-link>
              </div>
              <div class="blog-info-data">
                <router-link to="/categories">
                  <div style="font-size: 0.875rem">分类</div>
                  <div style="font-size: 1.25rem">
                    {{ blogInfo.count.categoryCount }}
                  </div>
                </router-link>
              </div>
              <div class="blog-info-data">
                <router-link to="/tags">
                  <div style="font-size: 0.875rem">标签</div>
                  <div style="font-size: 1.25rem"> {{ blogInfo.count.tagCount }}</div>
                </router-link>
              </div>
            </div>
            <!-- 收藏按钮 -->
            <a class="collection-btn" @click="tip = true">
              <v-icon color="#fff" size="18" class="mr-1">mdi-bookmark</v-icon>
              加入书签
            </a>
            <!-- 社交信息 -->
            <!--            <div class="card-info-social">
                          <a
                            v-if="isShowSocial('qq')"
                            class="mr-5 iconfont iconqq"
                            target="_blank"
                            :href="
                              'http://wpa.qq.com/msgrd?v=3&uin=' +
                                blogInfo.webSite.qqNumber+
                                '&site=qq&menu=yes'
                            "
                          />
                          <a
                            v-if="isShowSocial('github')"
                            target="_blank"
                            :href="blogInfo.webSite.github"
                            class="mr-5 iconfont icongithub"
                          />
                          <a
                            v-if="isShowSocial('gitee')"
                            target="_blank"
                            :href="blogInfo.webSite.gitee"
                            class="iconfont icongitee-fill-round"
                          />
                        </div>-->
          </v-card>
          <!-- 网站信息 -->
          <v-card class="blog-card animated zoomIn mt-5 big">
            <div class="web-info-title">
              <v-icon size="18">mdi-account</v-icon>
              关注我们
            </div>
            <div class="guanzhu" id="follow-us" ref="follow">
              <!--              {{blogInfo.webSite.bulletin}}-->
              <ul>
                <!--                <li class="qqGroup">
                                  <a href="javascript:void(0);">{{ blogInfo.webSite.qqNumber}}</a>
                                </li>-->
                <li v-if="isShowSocial(2)" class="qq"><a
                  :href="'tencent://AddContact/?fromId=50&fromSubId=1&subcmd=all&uin=' +  blogInfo.webSite.qqNumber"
                  target="_blank">{{ blogInfo.webSite.qqNumber }}</a></li>
                <li v-if="isShowSocial(1)" class="email"><a href="javascript:void(0);">{{ blogInfo.webSite.email }}</a>
                </li>
                <li v-if="isShowSocial(3)" class="github"><a :href="blogInfo.webSite.github"
                                                             target="_blank">{{ blogInfo.webSite.github }}</a></li>
                <li v-if="isShowSocial(4)" class="gitee"><a :href="blogInfo.webSite.gitee"
                                                            target="_blank">{{ blogInfo.webSite.gitee }}</a></li>
                <!-- <li class="wx"><img src="../../../static/images/wx.jpg"></li> -->
              </ul>
            </div>
          </v-card>
          <v-card class="blog-card animated zoomIn mt-5">
            <div id="he-plugin-standard"></div>
          </v-card>
          <!-- 网站信息 -->
          <v-card class="blog-card animated zoomIn mt-5">
            <div class="web-info-title">
              标签云
            </div>
            <div class="web-info">
              <svg :width="width" :height="height" @mousemove="listener($event)">
                <router-link
                  v-for="(tag,index) in tags"
                  :key="tag.text.id"
                  :to="'/tags/' + tag.text.id"
                 >
                  <text :x="tag.x" :y="tag.y" :font-size="20 * (600/(600-tag.z))" :fill-opacity="((400+tag.z)/600)"
                        :fill="colors[index]">{{ tag.text.name }}
                  </text>
                </router-link>
              </svg>
            </div>
          </v-card>
          <!-- 网站信息 -->
          <v-card class="blog-card animated zoomIn mt-5">
            <div class="web-info-title">
              <v-icon size="18">mdi-chart-line</v-icon>
              网站资讯
            </div>
            <div class="web-info">
              <div style="padding:4px 0 0">
                运行时间:<span class="float-right">{{ time }}</span>
              </div>
              <div style="padding:4px 0 0">
                总访问量:<span class="float-right">
                  {{ blogInfo.count.viewsCount }}
                </span>
              </div>
              <div style="padding:4px 0 0">
                当前在线人数:<span class="float-right">{{ onlineCount }}</span>
              </div>
            </div>
          </v-card>
        </div>
      </v-col>
    </v-row>
    <!-- 提示消息 -->
    <v-snackbar v-model="tip" top color="#49b1f5" :timeout="2000">
      按CTRL+D 键将本页加入书签
    </v-snackbar>
  </div>
</template>

<script>
import EasyTyper from "easy-typer-js";
import { fetchList, addFeedback,getTags} from "../../api";

export default {
  created() {
    this.init();
    this.timer = setInterval(this.runTime, 1000);
    this.changeColors();
    //初始化标签位置
    let tags = [];
    getTags().then(res => {
      for (let i = 0; i < res.data.length; i++) {
        let tag = {};
        let k = -1 + (2 * (i + 1) - 1) / res.data.length;
        let a = Math.acos(k);
        let b = a * Math.sqrt(res.data.length * Math.PI);
        tag.text = res.data[i];
        tag.x = this.CX + this.RADIUS * Math.sin(a) * Math.cos(b);
        tag.y = this.CY + this.RADIUS * Math.sin(a) * Math.sin(b);
        tag.z = this.RADIUS * Math.cos(a);
        tags.push(tag);
      }
    });
    console.log(tags)
    this.tags = tags;
  },
  destroyed() {
    // 销毁监听
    this.socket.onclose = this.close;
  },
  beforeDestroy() {
    clearInterval(this.heartBeat);
  },
  mounted: function() {
    setInterval(() => {
      this.rotateX(this.speedX);
      this.rotateY(this.speedY);
    }, 17);
    window.WIDGET = {
      "CONFIG": {
        "layout": "2",
        "width": 230,
        "height": 300,
        "background": "2",
        "dataColor": "000000",
        "borderRadius": "5",
        "key": "4034255d0cc94897b5f745367ccb81f2"
      }
    };
    let script = document.createElement("script");
    script.type = "text/javascript";
    script.src = "https://widget.qweather.net/standard/static/js/he-standard-common.js?v=2.0";
    document.getElementsByTagName("head")[0].appendChild(script);
  },
  metaInfo: {
    meta: [{
      name: "keyWords",
      content: "拾壹博客,开源博客,www.shiyit.com"  //变量或字符串
    }, {
      name: "description",
      content: "一个专注于技术分享的博客平台,大家以共同学习,乐于分享,拥抱开源的价值观进行学习交流"
    }]
  },
  data: function() {
    return {
      width: 220,//svg宽度
      height: 230,//svg高度
      RADIUS: 100,//球的半径
      speedX: Math.PI / 360,//球一帧绕x轴旋转的角度
      speedY: Math.PI / 360,//球-帧绕y轴旋转的角度
      tags: [],
      colors: [],//存储颜色
      path: process.env.VUE_APP_WEBSOCKET_API,
      socket: "",
      onlineCount: 0,
      heartBeat: null,
      formLabelWidth: "80px",
      form: {
        type: 1,
        email: null,
        title: null,
        content: null,
        imgUrl: null
      },
      webSite: {},
      tip: false,
      totalPage: null,
      img: process.env.VUE_APP_IMG_API,
      time: "",
      obj: {
        output: "",
        isEnd: false,
        speed: 300,
        singleBack: false,
        sleep: 0,
        type: "rollback",
        backSpeed: 40,
        sentencePause: true
      },
      articleList: [],
      params: {
        pageNo: 1,
        pageSize: 7
      },
      rules: {
        type: [
          { required: true, message: "必填字段", trigger: "blur" }
        ],
        email: [
          { required: true, message: "必填字段", trigger: "blur" },
          { pattern: /^([a-zA-Z0-9_-])+@([a-zA-Z0-9_-])+((.[a-zA-Z0-9_-]{2,3}){1,2})$/, message: "填写正确的邮箱" }
        ],
        title: [
          { required: true, message: "必填字段", trigger: "blur" }
        ]
      }
    };
  },

  methods: {
    rotateX(angleX) {
      var cos = Math.cos(angleX);
      var sin = Math.sin(angleX);
      for (let tag of this.tags) {
        var y1 = (tag.y - this.CY) * cos - tag.z * sin + this.CY;
        var z1 = tag.z * cos + (tag.y - this.CY) * sin;
        tag.y = y1;
        tag.z = z1;
      }
    },
    rotateY(angleY) {
      var cos = Math.cos(angleY);
      var sin = Math.sin(angleY);
      for (let tag of this.tags) {
        var x1 = (tag.x - this.CX) * cos - tag.z * sin + this.CX;
        var z1 = tag.z * cos + (tag.x - this.CX) * sin;
        tag.x = x1;
        tag.z = z1;
      }
    },
    listener(event) {//响应鼠标移动
      var x = event.clientX - this.CX;
      var y = event.clientY - this.CY;
      this.speedX = x * 0.0001 > 0 ? Math.min(this.RADIUS * 0.00002, x * 0.0001) : Math.max(-this.RADIUS * 0.00002, x * 0.0001);
      this.speedY = y * 0.0001 > 0 ? Math.min(this.RADIUS * 0.00002, y * 0.0001) : Math.max(-this.RADIUS * 0.00002, y * 0.0001);
    },
    changeColors() { //随机变色
      for (var i = 0; i < 30; i++) {
        var r = Math.floor(Math.random() * 256);
        var g = Math.floor(Math.random() * 256);
        var b = Math.floor(Math.random() * 256);
        this.colors[i] = "rgb(" + r + "," + g + "," + b + ")";
      }
    },

    screenshot() {
      this.$toast({ type: "error", message: "敬请期待!" });
    },
    closeDialog() {
      this.form.type = 1;
      this.form.email = null;
      this.form.title = null;
      this.form.content = null;
      this.$store.commit("setDialogFormVisible");
    },
    submit() {
      this.$refs["dataForm"].validate((valid) => {
        if (valid) {
          addFeedback(this.form).then(res => {
            this.$toast({ type: "success", message: "提交反馈成功" });
            this.closeDialog();
          }).catch(err => {
            this.$toast({ type: "error", message: "提交反馈失败" });
          });
        } else {
          this.$toast({ type: "error", message: "存在必填字段未填" });
        }
      });
    },
    // 初始化
    init() {
      document.title = "拾壹博客";
      if (typeof (WebSocket) === "undefined") {
        console.error("您的浏览器不支持socket");
      } else {
        // 实例化socket
        this.socket = new WebSocket(this.path);
        // 监听socket连接
        this.socket.onopen = this.open;
        // 监听socket错误信息
        this.socket.onerror = this.error;
        // 监听socket消息
        this.socket.onmessage = this.getMessage;
      }
      // 一言Api进行打字机循环输出效果
      /*  fetch("https://v1.hitokoto.cn?c=i")
          .then(res => {
            return res.json();
          })
          .then(({ hitokoto }) => {
            this.initTyped(hitokoto);
          });*/
    },
    initTyped(input, fn, hooks) {
      const obj = this.obj;
      // eslint-disable-next-line no-unused-vars
      const typed = new EasyTyper(obj, input, fn, hooks);
    },
    scrollDown() {
      window.scrollTo({
        behavior: "smooth",
        top: document.documentElement.clientHeight
      });
    },
    runTime() {
      var timeold =
        new Date().getTime() -
        new Date(1627747200000).getTime();
      var msPerDay = 24 * 60 * 60 * 1000;
      var daysold = Math.floor(timeold / msPerDay);
      var str = "";
      var day = new Date();
      str += daysold + "天";
      str += day.getHours() + "时";
      str += day.getMinutes() + "分";
      str += day.getSeconds() + "秒";
      this.time = str;
    },
    infiniteHandler($state) {
      let md = require("markdown-it")();
      fetchList(this.params).then(res => {
        if (res.data.records.length) {
          // 去除markdown标签
          res.data.records.forEach(item => {
            if (item.contentMd != null) {
              item.content = md
                .render(item.contentMd)
                .replace(/<\/?[^>]*>/g, "")
                .replace(/[|]*\n/, "")
                .replace(/&npsp;/gi, "");
            }
            this.articleList.push(item);
          });
          this.params.pageNo++;
          $state.loaded();
        } else {
          $state.complete();
        }
      });
    },
    open: function() {
      // 发送心跳消息
      var that = this;
      that.heartBeat = setInterval(function() {
        that.send("ping");
      }, 30 * 1000);
    },
    error: function() {
      console.error("连接错误");
    },
    getMessage: function(event) {
      this.onlineCount = event.data;
    },
    send(message) {
      this.socket.send(message);
    },
    close: function() {
      console.log("socket已经关闭");
    }
  },
  computed: {
    CX() {
      return this.width / 2;
    },
    CY() {
      return this.height / 2;
    },
    isRight() {
      return function(index) {
        if (index % 2 === 0) {
          return "article-cover left-radius";
        }
        return "article-cover right-radius";
      };
    },
    blogInfo() {
      return this.$store.state.blogInfo;
    },
    isShowSocial() {
      return function(social) {
        return this.$store.state.blogInfo.webSite.showList.indexOf(social) != -1;
      };
    },
    cover() {
      var cover = "";
      this.$store.state.blogInfo.pageList.forEach(item => {
        if (item.pageLabel === "home") {
          cover = item.pageCover;
        }
      });
      return "background: url(" + cover + ") center center / cover no-repeat";
    }
  }
};
</script>

<style lang="stylus">
.typed-cursor
  opacity: 1
  animation: blink 0.7s infinite

@keyframes blink
  0%
    opacity: 1
  50%
    opacity: 0
  100%
    opacity: 1
</style>

<style scoped>
.home-banner {
  position: absolute;
  top: -60px;
  left: 0;
  right: 0;
  height: 100vh;
  background-attachment: fixed;
  text-align: center;
  color: #fff !important;
  animation: header-effect 1s;
}

.banner-container {
  margin-top: 43vh;
  line-height: 1.5;
  color: #eee;
}

.blog-contact a {
  color: #fff !important;
}

.card-info-social {
  line-height: 40px;
  text-align: center;
  margin: 6px 0 -6px;
}

.card-info-social a {
  font-size: 1.5rem;
}

.left-radius {
  border-radius: 8px 0 0 8px !important;
  order: 0;
}

.right-radius {
  border-radius: 0 8px 8px 0 !important;
  order: 1;
}

.article-wrapper {
  font-size: 14px;
}

@media (min-width: 760px) {
  .blog-title {
    font-size: 2.5rem;
  }

  .blog-intro {
    font-size: 1.5rem;
  }

  .blog-contact {
    display: none;
  }

  .home-container {
    max-width: 1200px;
    margin: calc(100vh - 48px) auto 28px auto;
    padding: 0 5px;
  }

  .article-card {
    display: flex;
    align-items: center;
    height: 280px;
    width: 100%;
    margin-top: 20px;
  }

  .article-cover {
    overflow: hidden;
    height: 100%;
    width: 45%;
  }

  .on-hover {
    transition: all 0.6s;
  }

  .article-card:hover .on-hover {
    transform: scale(1.1);
  }

  .article-wrapper {
    padding: 0 2.5rem;
    width: 55%;
  }

  .article-wrapper a {
    font-size: 1.5rem;
    transition: all 0.3s;
  }
}

@media (max-width: 759px) {
  .blog-title {
    font-size: 26px;
  }

  .blog-contact {
    font-size: 1.25rem;
    line-height: 2;
  }

  .home-container {
    width: 100%;
    margin: calc(100vh - 66px) auto 0 auto;
  }

  .article-card {
    margin-top: 1rem;
  }

  .article-cover {
    border-radius: 8px 8px 0 0 !important;
    height: 230px !important;
    width: 100%;
  }

  .article-cover div {
    border-radius: 8px 8px 0 0 !important;
  }

  .article-wrapper {
    padding: 1.25rem 1.25rem 1.875rem;
  }

  .article-wrapper a {
    font-size: 1.25rem;
    transition: all 0.3s;
  }
}

.scroll-down {
  cursor: pointer;
  position: absolute;
  bottom: 0;
  width: 100%;
}

.scroll-down i {
  font-size: 2rem;
}

.article-wrapper a:hover {
  color: #8e8cd8;
}

.article-info {
  font-size: 95%;
  color: #858585;
  line-height: 2;
  margin: 0.375rem 0;
}

.article-info a {
  font-size: 95%;
  color: #858585 !important;
}

.article-content {
  line-height: 2;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
}

.blog-wrapper {
  position: sticky;
  top: 10px;
}

.blog-card {
  line-height: 2;
  padding: 1.25rem 1.5rem;
}

.author-wrapper {
  text-align: center;
}

.blog-info-wrapper {
  display: flex;
  justify-self: center;
  padding: 0.875rem 0;
}

.blog-info-data {
  flex: 1;
  text-align: center;
}

.blog-info-data a {
  text-decoration: none;
}

.collection-btn {
  text-align: center;
  z-index: 1;
  font-size: 14px;
  position: relative;
  display: block;
  background-color: #49b1f5;
  color: #fff !important;
  height: 32px;
  line-height: 32px;
  transition-duration: 1s;
  transition-property: color;
}

.collection-btn:before {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  z-index: -1;
  background: #ff7242;
  content: "";
  transition-timing-function: ease-out;
  transition-duration: 0.5s;
  transition-property: transform;
  transform: scaleX(0);
  transform-origin: 0 50%;
}

.collection-btn:hover:before {
  transition-timing-function: cubic-bezier(0.45, 1.64, 0.47, 0.66);
  transform: scaleX(1);
}

.author-avatar {
  transition: all 0.5s;
}

.author-avatar:hover {
  transform: rotate(360deg);
}

.web-info {
  padding: 0.25rem;
  font-size: 0.875rem;
}

.scroll-down-effects {
  color: #eee !important;
  text-align: center;
  text-shadow: 0.1rem 0.1rem 0.2rem rgba(0, 0, 0, 0.15);
  line-height: 1.5;
  display: inline-block;
  text-rendering: auto;
  -webkit-font-smoothing: antialiased;
  animation: scroll-down-effect 1.5s infinite;
}

@keyframes scroll-down-effect {
  0% {
    top: 0;
    opacity: 0.4;
    filter: alpha(opacity=40);
  }
  50% {
    top: -16px;
    opacity: 1;
    filter: none;
  }
  100% {
    top: 0;
    opacity: 0.4;
    filter: alpha(opacity=40);
  }
}

.big i {
  color: #f00;
  animation: big 0.8s linear infinite;
}

@keyframes big {
  0%,
  100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.2);
  }
}

.guanzhu {
  margin-top: 10px;
}

.guanzhu .qqGroup {
  background: url() no-repeat;
  background-size: 22px;
  background-position-y: 47%;
}

.guanzhu .qq {
  background: url() no-repeat 0 -98px;
}

.guanzhu .email {
  background: url() no-repeat 0 -150px;
}

.guanzhu .github {
  background: url(github-fill.png) no-repeat;
  background-size: 25px;
  background-position-y: 47%;
}

.guanzhu .gitee {
  background: url() no-repeat;
  background-size: 25px;
  background-position-y: 47%;
}

.guanzhu ul li {
  font-size: 12px;
  margin-bottom: 10px;
  background: #fff;
  color: #525252;
  line-height: 40px;
  padding: 0 0 0 34px;
  border: 1px solid #ddd;
  border-radius: 2px;
  position: relative;
  text-overflow: ellipsis;
  white-space: nowrap;
  overflow: hidden;
}

</style>
